CN204250042U - A kind of manual-gear vehicle gearshift prompt system - Google Patents
A kind of manual-gear vehicle gearshift prompt system Download PDFInfo
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- CN204250042U CN204250042U CN201420629464.4U CN201420629464U CN204250042U CN 204250042 U CN204250042 U CN 204250042U CN 201420629464 U CN201420629464 U CN 201420629464U CN 204250042 U CN204250042 U CN 204250042U
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Abstract
The utility model discloses a kind of manual-gear vehicle gearshift prompt system, comprise tachogen, car speed sensor, torque sensor, throttle position switch, gearshift prompting control unit and gearshift prompting performance element, the mouth of car speed sensor, torque sensor points out control unit to be connected with gearshift, and gearshift prompting control unit points out performance element to be connected with gearshift; Gearshift prompting control unit is provided with soft-touch control, soft-touch control comprises contact S, CC4013 chip, resistance R1, resistance R2, electric capacity C1, electric capacity C2, aerotron Q, relay K, one end of resistance R1 is connected with one end of resistance R2, and the other end of resistance R1 is connected with one end of 14 pin of S, CC4013 and K.In MT vehicle driving process, detect and meet fuel oil the best or tractive performance top condition, prompting driver is shifted gears, have the advantages that to save fuel oil, improve vehicle performance.
Description
Technical field
The utility model relates to vehicle drive field, especially relates to a kind of manual-gear vehicle gearshift prompt system.
Background technology
The core concept of car load research and development is energy-saving and environmental protection and safety, and wherein energy-conservation except utilizing new technology and new theory to reduce except oil consumption and discharge, some little intelligent systems also can help chaufeur to improve operation, thus lifting vehicle performance to a certain extent.At present, the change speed gear box of automobile is mainly divided into Automatic Transmission and Manual transmission.Automatic Transmission according to the work information of vehicle, can carry out speed change automatically, thus reaches optimum fuel economy and tractive performance object.Manual transmission, automobile is made to have good fuel economy and tractive performance in the process of moving, the various duty parameters of the attention vehicle then needing chaufeur real-time, as speed of a motor vehicle change, accelerator open degree etc., chaufeur carries out gear shift operation to MT vehicle, driving experience by means of chaufeur judges gearshift opportunity, this gearshift mode needs chaufeur to note the work information of vehicle in real time, and carry out gearshift judgement on opportunity by artificial subjective, the accuracy of its gearshift is difficult to ensure, and for different chaufeurs, operation also can also exist difference, shifted gears as occurred slow or too early, the tractive performance of car load can be caused, fuel-economy type is deteriorated.
Chinese patent Authorization Notice No.: 102494124A, authorized announcement date on 06 13rd, 2012, disclose a kind of fuel-saving gear shifting algorithm and there is the prompt system of this algorithm, it comprises data acquisition module, output module, display module, display module is for showing the gearshift gear of described output, and output module is shifted gears for pointing out driver.Draw best gearshift opportunity by accelerator open degree, the gearshift of prompting chaufeur, realizes the fuel economy of Manual transmission automobile.Weak point show that opportunity is carried out gear shift operation in best gearshift according to accelerator open degree, can only realize fuel oil the best, and can not realize tractive performance the best, make to have good tractive performance in shift process.
Utility model content
The utility model is the technical deficiency that can not determine best gearshift opportunity in order to overcome MT vehicle driver, provide a kind of can gearshift opportunity of the best and tractive performance the best of real-time judge fuel oil, and to shift gears prompt system at the manual-gear vehicle of onscreen cue driver gearshift.
To achieve these goals, the utility model is by the following technical solutions:
A kind of manual-gear vehicle gearshift prompt system of the present utility model, it is characterized in that, comprise tachogen, car speed sensor, torque sensor, throttle position switch, gearshift prompting control unit and gearshift prompting performance element, it is characterized in that, described car speed sensor, the mouth of torque sensor, point out control unit to be connected by ECU with gearshift, gearshift prompting control unit points out performance element to be connected with gearshift, gearshift prompting control unit is provided with soft-touch control, soft-touch control comprises contact S, CC4013 chip, resistance R1, resistance R2, electric capacity C1, electric capacity C2, aerotron Q, relay K, one end of resistance R1 is connected with one end of resistance R2, the other end of resistance R1 and S, 14 pin of CC4013 and one end of K are connected, one end of C1 is connected to resistance R1, between R2, the other end of C1 is connected on 3 pin of CC4013, C2 one end is connected between 3 pin of C1 and CC4013, the other end ground connection of C2, Q base stage is connected with 7 pin of CC4013 chip, the grounded emitter of Q, Q collecting electrode is connected with the other end of relay K.
By car load rating test and engine rig test data, draw automobile characteristic performance curve, default upshift threshold speed and downshift threshold speed is drawn according to described accelerator open degree, by automobile characteristic performance curve information and threshold speed information, be stored in gearshift prompting control unit in advance, the data detected in real time by sensor are (as moving velocity, rotating speed, moment of torsion, the information such as throttle position), compare with characteristic performance curve information and threshold speed information, draw the gearshift opportunity of fuel oil the best and tractive performance the best, prompting driver carries out gear shift operation, can effectively realize fuel economy optimum, and improve the feature of vehicle performance.
Touching contact S, 3 pin of CD4013 obtain a trigging pulse, make 1 pin of CD4013 obtain a high level, and make Q saturation conduction, relay K adhesive after 1 pin of CD4013 obtains a high level, gearshift control system to hint is started working; Again touch contact S, 3 pin of CD4013 obtain a trigging pulse, make 1 pin of CD4013 obtain a low level, and after 1 pin of CD4013 obtains a low level, Q end, relay K disconnects, and gearshift points out control unit to quit work.When chaufeur has been familiar with the operating characteristic of driving engine very much, in order to driving experience enjoyment, judge gearshift opportunity voluntarily, gearshift prompt system economize energy can be closed by soft-touch control.
As preferably, the concrete model of described tachogen is FC-1, and mouth is connected with 27 pin with 12 pin of ECU.During tachogen contact sparking plug, export a pulse duration frequency signal synchronous with engine firing impulses, for petrolic tachometric survey, output signal sends to ECU.
As preferably, the concrete model of described throttle position switch is HB2021, and mouth is connected with 31 pin with 30 pin of ECU.After ECU receives throttle position information, go to control throttle valve drive motor, controlled the aperture of throttle gate by drive motor, to adjust the flow of carburetion mixture, thus realize speed governing.
As preferably, described gearshift prompting control unit adopts AVR single chip, and concrete model is that the PD0 pin of Atmega16L, Atmega16L is connected with the RXD pin of ECU, the PD1 pin of Atmega16L connects the TXD pin of ECU, and 30,31 pin of Atmega16L connect positive source and ground respectively.Gearshift prompting control unit adopts KWP2000 agreement to communicate with automobile ECU, reads the data of ECU current state.
As preferably, described gearshift prompting performance element is a LCD display, concrete model is MSC-G12864-7, DB0 ~ 7 pin of MSC-G12864-7 is connected with PA0 ~ 7 pin of Atmega16L, D/I, R/W, E, CS1, CS2, RES and EL-E pin of MSC-G12864-7 is connected with PB0 ~ 6 pin of Atmega16L respectively, DB0 ~ 7 pin is the eight bit data line of LCD, is connected with PA0 ~ 7 pin of Atmega16L.For reading and writing the data message in MSC-G12864-7, D/I, R/W, E, CS1, CS2, RES and EL-E pin be respectively read enable, write enable, backlight is enable, left half screen is selected, right half screen is selected, read data and write DC instruction, by look-up table, MSC-G12864-7 type liquid crystal board screen shows gearshift information.
Therefore, the utility model has following beneficial effect:
(1) gearshift prompting control unit is provided with soft-touch control, when driver does not need this function, can close voluntarily, economize energy;
(2) the utility model can detect motoring condition in real time, compare with characteristic performance curve information and threshold speed information, determine fuel oil the best and tractive performance the best time, point out driver to shift gears, have the advantages that to save fuel oil, improve vehicle performance.
Accompanying drawing explanation
Fig. 1 is a kind of circuit theory connection structure schematic diagram of the present utility model.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
In embodiment as shown in Figure 1, a kind of manual-gear vehicle gearshift prompt system, it is characterized in that, comprise tachogen, car speed sensor, torque sensor, throttle position switch, gearshift prompting control unit and gearshift prompting performance element, it is characterized in that, described car speed sensor, the mouth of torque sensor, point out control unit to be connected by ECU with gearshift, and gearshift prompting control unit points out performance element to be connected with gearshift, gearshift prompting control unit is provided with soft-touch control, soft-touch control comprises contact S, CC4013 chip, resistance R1, resistance R2, electric capacity C1, electric capacity C2, aerotron Q, relay K, one end of resistance R1 is connected with one end of resistance R2, the other end of resistance R1 and S, 14 pin of CC4013 and one end of K are connected, one end of C1 is connected to resistance R1, between R2, the other end of C1 is connected on 3 pin of CC4013, C2 one end is connected between 3 pin of C1 and CC4013, the other end ground connection of C2, Q base stage is connected with 7 pin of CC4013 chip, the grounded emitter of Q, Q collecting electrode is connected with the other end of relay K.
By car load rating test and engine rig test data, draw automobile characteristic performance curve, automobile characteristic performance curve is stored in advance in gearshift prompting control unit, tachogen, car speed sensor, torque sensor and throttle position switch are used for detecting in real time the running state of automobile, as engine speed, moving velocity, moment of torsion, the information such as throttle position, above-mentioned information sends to automobile ECU, ECU points out control unit to realize data interaction with gearshift, after gearshift prompting control unit accepts ECU data, compare with characteristic performance curve information and threshold speed information, draw the gearshift opportunity of fuel oil the best and tractive performance the best, in MT vehicle driving process, fuel oil the best or tractive performance top condition is met as detected, prompting driver is shifted gears, there is saving fuel oil, improve the feature of vehicle performance.
Touching contact S, soft-touch control is by R1, R2 dividing potential drop, charge to electric capacity C1, C2,3 pin for CD4013 provide a trigging pulse, 1 pin of CD4013 is made to obtain a high level, make Q saturation conduction, relay K adhesive after 1 pin of CD4013 obtains a high level, gearshift control system to hint is started working; Again touch contact S, 3 pin of CD4013 obtain a trigging pulse, make 1 pin of CD4013 obtain a low level, and after 1 pin of CD4013 obtains a low level, Q end, relay K disconnects, and gearshift points out control unit to quit work.When chaufeur has been familiar with the operating characteristic of driving engine very much, in order to driving experience enjoyment, judge voluntarily gearshift opportunity, can this soft-touch control be passed through, close gearshift prompt system economize energy.
The concrete model of tachogen is FC-1, and its input end is drawn near light-up plug by wire, and mouth is connected with 27 pin with 12 pin of ECU.Tachogen exports a pulse duration frequency signal synchronous with engine firing impulses, for petrolic tachometric survey and monitoring.
The concrete model of throttle position switch is HB2021, and mouth is connected with 31 pin with 30 pin of ECU, after ECU receives throttle position information, go to control throttle valve drive motor, controlled the aperture of throttle gate by drive motor, to adjust the flow of carburetion mixture, thus realize speed governing.
Gearshift prompting control unit adopts AVR single chip, concrete model is Atmega16L, the PD0 pin of Atmega16L is connected with the RXD pin of ECU, the PD1 pin of Atmega16L connects the TXD pin of ECU, 30,31 pins of Atmega16L connect positive source and ground respectively, and gearshift prompting control unit is also provided with soft-touch control.Gearshift prompting control unit adopts KWP2000 agreement to communicate with automobile ECU, realizes the data transmit-receive with ECU, thus reads the data of the current motoring condition of ECU.
Gearshift prompting performance element is a LCD display, concrete model is MSC-G12864-7, DB0 ~ 7 pin of MSC-G12864-7 is connected with PA0 ~ 7 pin of Atmega16L, and D/I, R/W, E, CS1, CS2, RES and EL-E pin of MSC-G12864-7 is connected with PB0 ~ 6 pin of Atmega16L respectively.DB0 ~ 7 pin is the eight bit data line of MSC-G12864-7, be connected with PA0 ~ 7 pin of Atmega16L, for reading and writing the data message in MSC-G12864-7, D/I, R/W, E, CS1, CS2, RES and EL-E pin be respectively read enable, write enable, backlight is enable, left half screen is selected, right half screen is selected, read data and write DC instruction, by look-up table, MSC-G12864-7 type liquid crystal board screen shows gearshift information.
For lucky 479QA characteristic performance curve, be 1600 ~ 3500r/min at engine speed, fuel oil consumption is minimum is 260g/kw, output torque can reach 90 ~ 120N.m, now, fuel economy is best, is stored in by characteristic performance curve in gearshift control system to hint in advance, in vehicle traveling process, drawn the gearshift rotating speed of fuel economy the best by look-up table.Under different accelerator open degree, the speed of a motor vehicle is adopted to determine tractive performance the best gearshift moment as State Viewpoint measured value, default upshift threshold speed and downshift threshold speed is drawn according to described accelerator open degree, and it is stored in advance in gearshift prompting control unit, the speed v of the best gearshift of adjacent two grades is relevant to vehicle mass, v respectively with the maximum speed of this grade
next grade of minimum velocity
compare, if meet relational expression
then v is the shift speed of this grade of power the best, draws best shift speed by look-up table, points out driver to carry out gear shift operation.
Claims (5)
1. a manual-gear vehicle gearshift prompt system, it is characterized in that, comprise tachogen, car speed sensor, torque sensor, throttle position switch, gearshift prompting control unit and gearshift prompting performance element, it is characterized in that, described car speed sensor, the mouth of torque sensor, point out control unit to be connected by ECU with gearshift, gearshift prompting control unit points out performance element to be connected with gearshift, gearshift prompting control unit is provided with soft-touch control, soft-touch control comprises contact S, CC4013 chip, resistance R1, resistance R2, electric capacity C1, electric capacity C2, aerotron Q, relay K, one end of resistance R1 is connected with one end of resistance R2, the other end of resistance R1 and S, 14 pin of CC4013 and one end of K are connected, one end of C1 is connected to resistance R1, between R2, the other end of C1 is connected on 3 pin of CC4013, C2 one end is connected between 3 pin of C1 and CC4013, the other end ground connection of C2, Q base stage is connected with 7 pin of CC4013 chip, the grounded emitter of Q, Q collecting electrode is connected with the other end of relay K.
2. a kind of manual-gear vehicle gearshift prompt system according to claim 1, it is characterized in that, the concrete model of described tachogen is FC-1, and mouth is connected with 27 pin with 12 pin of ECU.
3. a kind of manual-gear vehicle gearshift prompt system according to claim 2, it is characterized in that, the concrete model of described throttle position switch is HB2021, and mouth is connected with 31 pin with 30 pin of ECU.
4. a kind of manual-gear vehicle gearshift prompt system according to claim 3, it is characterized in that, described gearshift prompting control unit adopts AVR single chip, concrete model is Atmega16L, the PD0 pin of Atmega16L is connected with the RXD pin of ECU, the PD1 pin of Atmega16L connects the TXD pin of ECU, and 30,31 pin of Atmega16L connect positive source and ground respectively.
5. a kind of manual-gear vehicle gearshift prompt system according to the arbitrary claim of claim 4, it is characterized in that, described gearshift prompting performance element is a LCD display, concrete model is MSC-612864-7, DB0 ~ 7 pin of MSC-612864-7 is connected with PA0 ~ 7 pin of Atmega16L, D/I, R/W, E, CS1, CS2, RES and EL-E pin of MSC-612864-7 is connected with PB0 ~ 6 pin of Atmega16L respectively, DB0 ~ 7 pin is the eight bit data line of LCD, is connected with PA0 ~ 7 pin of Atmega16L.
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| CN201420629464.4U CN204250042U (en) | 2014-10-28 | 2014-10-28 | A kind of manual-gear vehicle gearshift prompt system |
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| CN201420629464.4U CN204250042U (en) | 2014-10-28 | 2014-10-28 | A kind of manual-gear vehicle gearshift prompt system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104890673A (en) * | 2015-05-07 | 2015-09-09 | 重庆大学 | Energy-saving driving assisting real-time prompting system |
| CN105065661A (en) * | 2015-07-20 | 2015-11-18 | 中国重汽集团济南动力有限公司 | Gear recommending method for automated mechanical transmission (AMT) vehicle in manual mode |
| CN106671990A (en) * | 2016-12-21 | 2017-05-17 | 江苏大学 | MT gear shifting voice prompt method based on fuel economy of whole vehicle |
| CN108443485A (en) * | 2018-01-31 | 2018-08-24 | 江苏大学 | A kind of MT shift speech prompting devices based on vehicle fuel economy |
| CN113324025A (en) * | 2021-04-30 | 2021-08-31 | 宁波高发汽车控制系统股份有限公司 | Active gear shifting execution control circuit |
-
2014
- 2014-10-28 CN CN201420629464.4U patent/CN204250042U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104890673A (en) * | 2015-05-07 | 2015-09-09 | 重庆大学 | Energy-saving driving assisting real-time prompting system |
| CN105065661A (en) * | 2015-07-20 | 2015-11-18 | 中国重汽集团济南动力有限公司 | Gear recommending method for automated mechanical transmission (AMT) vehicle in manual mode |
| CN106671990A (en) * | 2016-12-21 | 2017-05-17 | 江苏大学 | MT gear shifting voice prompt method based on fuel economy of whole vehicle |
| CN108443485A (en) * | 2018-01-31 | 2018-08-24 | 江苏大学 | A kind of MT shift speech prompting devices based on vehicle fuel economy |
| CN113324025A (en) * | 2021-04-30 | 2021-08-31 | 宁波高发汽车控制系统股份有限公司 | Active gear shifting execution control circuit |
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